2024·全国·模拟预测
解题方法
1 . 已知四棱锥
的底面
是边长为
的正方形,
,
平面
,
为线段
的中点,若空间中存在平面
满足
,
,记平面
与直线
分别交于点
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90271643a96d65b3b092fbbdbd61eea0.png)
______ ,四边形
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967f74b8993c61634ceed95edca05ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3dd3fc7dc95d1af9eafb1ea58dd48a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e049faf8852317b6c046904a39134c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211a44ffb09c7413dac58e9cea70fd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90271643a96d65b3b092fbbdbd61eea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a255eabf4d401236e1f1a9f35667ba9.png)
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名校
解题方法
2 . 如图,点
是棱长为2的正方体
的表面上一个动点,
是线段
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
A.若点![]() ![]() ![]() ![]() |
B.当点![]() ![]() ![]() ![]() |
C.当直线AP与AB所成的角为![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() |
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名校
3 . 如图,在棱长为2的正方体
中,已知
,
,
分别是棱
,
,
的中点,点
满足
,
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f36a6370254d829ad191cb5727ea32f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79296cd4046a71e163a8f3e647a176ae.png)
A.![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-04-11更新
|
1178次组卷
|
5卷引用:湖南省长沙市长郡中学2023-2024学年高一下学期4月选科适应性检测数学试题
4 . 如图,四棱锥
中,底面
是边长为2的菱形,
,已知
为棱
的中点,
在底面的投影
为线段
的中点,
是棱
上一点.
(1)若
,求证:
平面
;
(2)若
,确定点
的位置,并求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5a86745bfe1dfe7bc2683811210330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/3c1cdb7d-5f31-4e1d-93d6-39a1f6a08b6b.png?resizew=218)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd77b37a624d551fb77afc62b98204f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f79db7c270b6ff9fb0a538ee201cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af29254fe60a392c249c5791279e9c8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd3097f5b558b253b7076b2499c39ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ce9b8c1c0365b5a1cd8d4a01c271df.png)
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5 . 正方体
的棱长为1,
为侧面
上的点,
为侧面
上的点,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7253ffd3fc633d861810ee2e872188b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c52091eb745de866044477641a7c55f.png)
A.直线![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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解题方法
6 . 如图所示,在五面体
中,四边形
是矩形,
和
均是等边三角形,且
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0acc93490a6a784eb62201d93dd93d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8977e6db26ea83d19d5f19f8179cb8.png)
A.![]() ![]() |
B.二面角![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-01-25更新
|
1736次组卷
|
6卷引用:2024届福建省厦门市一模考试数学试题
2024届福建省厦门市一模考试数学试题福建省部分地市2024届高三上学期期末数学试题(已下线)专题06 立体几何 第一讲 立体几何中的证明问题(解密讲义)(已下线)第二章 立体几何中的计算 专题三 空间体积的计算 微点4 四面体体积公式拓展综合训练【培优版】(已下线)专题04 立体几何(已下线)压轴题04立体几何压轴题10题型汇总-1
名校
7 . 如图,在棱长为1的正方体
中,
分别是
的中点,则以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b199a99e53d67ff4abf233930961a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744096649aef7e210b191091e9f6c51b.png)
A.![]() |
B.直线EG与平面ABCD所成角的正弦值为![]() |
C.异面直线EG和BC所成角的余弦值为![]() |
D.若动直线A1M与直线AC的夹角为30°,且与平面EFG交于点M,则点M的轨迹构成的图形的面积为![]() |
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2023-12-25更新
|
599次组卷
|
2卷引用:山东省新泰市第一中学(实验部)2024届高三上学期第二次月考数学试题
解题方法
8 . 在棱长为1的正方体
中,点
在棱
上运动,点
在正方体表面上运动,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.存在点![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() ![]() |
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2023·全国·模拟预测
9 . 如图,在直平行六面体
中,
为线段
上的点,且满足
分别为
的中点.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756b1fe6336ea633ac4f27a7f7ac9b55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0267a15be1e3c41d8c74345c8a8d0069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea77ba313fcc751481ac1ca214df3fc.png)
A.设平面![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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解题方法
10 . 如图,已知菱形中,
为边
的中点,将
沿
翻折成
(点
位于平面
上方),连接
和
为
的中点,则在翻折过程中,
与
的夹角为
的轨迹的长度为
您最近一年使用:0次
2023-11-01更新
|
666次组卷
|
3卷引用:重庆市名校联盟2023-2024学年度高二上学期期中联考数学试题
重庆市名校联盟2023-2024学年度高二上学期期中联考数学试题山东省普高大联考2023-2024学年高二上学期11月期中联合质量测评数学试卷(已下线)第三章 折叠、旋转与展开 专题一 平面图形的翻折、旋转 微点2 翻折、旋转中的基本问题(二)